Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zanchi MarianofiledCriticalZanchi Mariano
Priority to IT45518/80ApriorityCriticalpatent/IT1141690B/it
Publication of IT8045518A0publicationCriticalpatent/IT8045518A0/it
Application grantedgrantedCritical
Publication of IT1141690BpublicationCriticalpatent/IT1141690B/it